Clamping-machine for packing-boxes.



C. T. DUNN.

CLAMPING MACHINE FOR PACKING BOXES.

APPLICATION FILED JULY26I I915.

Patented Jan. 25, 1916.

5 SHEETS-SHEET I.

nwmtoz C. T. DUNN.

CLAMPING MACHINE FOR PACKING BOXES.

APPLICATION FILED JULY 26, I915.

Patented Jan. 25, 1916.

5 SHEETSSHEET 2- C. T. DUNN.

CLAMPTNG MACHINE FOR PACKING BOXES.

APPLICATION FILED 1uLY26. 1915.

1,169,244. Patented Jan. 25, 1916.

5 SHEETSSHEET 3- Swmwtoz izmrles unm,

C. T. DUNN.

CLAMPING MACHINE FOR PACKING BOXES.

APPLICATION FILED JULY26, 1915.

1,169,244 Patented Jan. 25, 1916.

a 5 SHEETS-SHEET 5. .9

CHARLES T. DUNN,

ENT FFTCE,

OF NEWARK, OHIO.

CLAMPING-MACHINE FOR PACKING-BOXES.

Specification of Letters Patent.

Patented Jan. 25, 1916.

Application filed July 26, 1915. Serial No. 42,009.

To all whom it may concern:

Be it known that 1, CHARLES T. DUNN, a citizen of the United States,residing at Newark, in the county of Licking and State of Ohio, haveinvented certain new and useful Improvements in Clamping-Machines forPacking-Boxes; and I do declare the following to be a full, clear, andexact description of the invention, such as will enable others skilledin the art to which it appertains to make and use the same.

My invention relates to improvements in devices for holding in positionfiber or paper packing boxes and cartons, previous to filling the sameand after the filling and sealing operation, whereby to retain the newlyglued flaps in close contact until reliably adhered.

The object of the invention is to provide a machine of the class setforth which although being of comparatively simple and inexpensiveconstruction, will be highly efficient and durable and will possess anumber of advantageous features.

With this general object in view, the invention resides in certain novelfeatures ofconstruction and in unique combinations of parts to behereinafter fully described and claimed, the descriptive matter beingsupplemented by the accompanying drawings which constitute a part of theapplication and in .which:

Figure 1 is a side elevation of a machine constructed in accordance withmy invention showing the application thereof to use in sealing a pair ofcartons; Fig. 2 is a top plan view; Fig. 3 is a horizontal section asviewed along the plane indicated by the line 3-3 of Fig. 1; Fig. 4 is acentral vertical longitudinal section taken on the plane designated bythe line H of Fig. 2; Fig. 5 is an end elevation showing moreparticularly the relation of one of the locking levers With respect toone of the upper clamping plates, when the latter is raised; Fig. 6 is avertical transverse section taken on the plane indicated by the line 66of Fig. 1; Fig. 7 is a horizontal section viewed on theplane indicatedby the line 77 of Fig. 1; Fig. 8 is a detail elevation of the upper endof one of the locking levers and a portion of one of the upper clampingplates, and Fig. 9 is a perspective view of one of such plates. I

In describing the invention, I shall refer to these drawings by similarreference characters placed on corresponding parts throughout theseveral vlews, the numeral 1 as provided with a threaded stud 6 whichprojects loosely through a central opening in the upper head member 4and receives thereon a nut 7 (see more particularly Fig. 4).

The head members 4 and 4 include respectively horizontal angle iron bars8 and 8 the former being secured to the upper side of the head member 4,while the bars 8 are secured to the lower side of the head member 45*.As clearly shown, two bars 8 are carried by the upper member in parallelrelation, while two bars 8 are disposed in such relation upon the lowerhead member. It is to be further noted that the bars 8 are disposeddirectly above the bars 8 this being expedient in order that the ends ofa plurality of alined upright rods 9 may be anchored to said bars, suchrods constituting walls for contact with the cartons or boxes beingclamped by the machine as will hereinafter become evident. v a

All of the bars 8 and 8* are preferably of angle iron construction andthe upright flanges of the bars 8 therefore constitute wall members forcoaction with the rods 9,

said flanges being shown in the present embodiment of the invention ashaving thereon a plurality of upright projections 10 which are normallyreceived in notches 11, the latter beingformed in one edge of a pair ofvertically swinging upper horizontal clamping plates 12, said platesbeing hinged at 13- or the like to thelaforesaidhead l Spaced plates 14,said plates being carried by arms 15 which radiate from a slide 16mounted shiftably upon the standard 3, said slide having a nut 17receiving therein an upright adjusting screw 18 whose upper and lowerends are swiveled respectively in the upper and lower heads tland l andwhose upper end is provided with an operating crank 19. Thus it will beseen that rotation of said crank will raise or lower the plates 14 toadjust the machine for use upon boxes of different heights, yet that theupper ends of such boxes will be at all times disposed in the samehorizontal plane, thus allowing the same to be much more readily packedthan would be possible were the tops of smaller boxes positioned lowerthan those of larger containers when being packed.

As clearlyshown in Figs. 1, 2, 3, and 4, the upper and lower clampingplates are provided with parallel slots 20 receiving thereinclampingbolts 21 by which transverse cleats 22 are secured adjustably to theinner, sides of said :plates v for engagement with the outer sides ofthe cartons or boxes such asthose disclosed at- C in'Fig, 1;" Need apair of side bars 24L having.parallel;endportions and offsetcentralportions'pthe"former being connected by' transverse bars 2,5,,

while said portions 24:"are-secured by. bolts inwardly from the bars 25,transverse bearing. members 26 span the gapsbetween the parallel "end"portions; of the] bars 24 such -mem bers cooperating withthe'bars 25:to support a pair of horizontalrock shafts 27, .said shafts havingcranks 28attheir inner ends connected by links 29"with two slidesmounted on twoof the upright stay bolts 5,- such slides being in turn fconnected. by links 31 to 'crankwarms' 32, which risefrom; the

" pivoted edges oftheclampingplates 12..

Secured to theouter ends "of the rock shafts'27, is a pair of hollowupright lever sections '33] having therein longitudinal slots 3 5:Said-" e s ei in id b1y th6r6 additional" le'verfsec't'ions" eat-having"studs or I other appropriate'stops 36 disposed in-th'e slots 34 forallowingthe two sections 33 and 35 to telescope, but for limiting theoutward movement vof one inrespect tofth'e' other;

l/Vhenthe plates 12-are1 lowered to'acti've position, the rock'shafts'27 ares turned by the link connections'between the crank arms 32- and28, as to dispose the sectional levers inupright positions, whereupon.appropriate latches 31 at the upperyends of said levers may-beengagedwith headed studs or the like 38 on the plates 12 to prevent raising ofthe latter. When, however, the plates 12 are to be lifted for theremoval of the cartons beneath the same, the latches 37 are released,whereupon the sections Will drop by gravity into the sections 33, andthe latter will now be swung to horizontal positions when the plates 12are raised, thus disposing the entire levers at such points as toprevent the same from interfering with the operator of the machine.When, however, the plates 12 are lowered, the levers are automaticallyreturned to upright positions, whereupon the sections 35 are withdrawnand the latches 37 are again applied to use.

In addition to the features above described, an upright scale 39 ispreferably provided, whereby the height of the lower clamping plates Itmay be accurately adjusted for the clamping of cartons of various sizes.

In operation, after first raising one or both of the movable clampingplates 12, a carton which is normally folded compactly, is opened intoshape, is placed on one of the lower clamping plates l-l, and what arethen the uppermost flaps of said carton are glued. The container is nowinverted on top flaps are glued together, and the clamping plate 12 ismoved downwardly and clamped. The entire machine is now swung erationjust described is repeated, the second carton being clamped between theother fixed and movable plates let and 12. By the time this secondpacking operation has been completed the glue on the first carton has 1sufliciently hardened to allow such carton to be removed, therebyallowing another one to be packed and sealed. Thus it will be evidentthat the operation of the machine is continuous with but one operator,and that practically no loss of time occurs.

In most cases, I prefer to carry the glue for sealingthe cartons inappropriate glue pots 40 mounted upon the machine, but it 3 will beevident that the glue could be obtained from other sources if desired.

From the foregoing description, taken in connection with theaccompanying drawings, it will be evident that although com- 1paratively simple and inexpensive construction has been provided, theinvention will be highly efiicient and durable'sand will possess anumber of advantageouscharacteristics.

In the drawings, certain specific details of construction have'beenshown for accomplishing probably the best results, and in the precedingsuch details have been described, but I do not wish it understood thatI. amv to be limited thereto otherwise than to theextent'to which theappended claims restrictme. Furthermore, although the horizontally uponthe shaft 2, and the opdrawings illustrate a machine having but twoclamps, it will be evident that the same could be provided with anyappropriate number.

I claim:

1. In a boxclamping machine, an upright standard, a head member carriedthereby including a horizontal bar, a series of upright rods dependingfrom said bar and disposed in an upright plane to engage a box whenclamped in the machine, an upper horizontal clamping plate pivoted atone edge to said bar, a lower horizontal clamping plate below the upperplate, and means to lock said upper plate against movement.

2. In a box clamping machine, an upright standard, a head member carriedthereby including a horizontal bar, a series of upright rods dependingfrom said bar and disposed in an upright plane to engage a box whenclamped in the machine, an upper horizontal clamping plate pivoted atone edge to said bar, a lower horizontal clampmg plate below the upperplate, a cleat carried by the inner face of one of said plates andshiftable toward and away from the upright rods, and means to lock theupper plate against movement.

3. In a box clamping machine, an upright standard, an upper and a lowerhead member thereon, a series of alined upright rods secured at theirends to said members and disposed in an upright plane to engage a boxwhen clamped in the machine, an upper horizontal pivotally mountedclampmg plate carried by the upper head member, a lower horizontalclamping platebelow the upper plate, and means for locking said upperplate against movement.

4. In a box clamping machine, an upright standard, an upper and a lowerhead member thereon each including a horizontal bar, a plurality ofupright rods secured at the1r ends to the two bars and disposed in anupright plane to engage a box when clamped in the machine, an upperhorizontal clamping plate pivoted to the upper bar, a lower horizontalclamping plate beneath the upper plate, and means to lock the upperplate against movement.

5. In a box clamping machine, an upright standard, an upper and a lowerhead member thereon, a series of alined upright rods secured at theirends to said members, an upper horizontal pivotally mounted clampingplate carried by the upper head member, a slide shiftable vertically onthe standard, an arm projecting horizontally from the slide betweencertain of the upright rods, a lower horizontal clamping plate carriedby said arm, means to lock the slide against movement on the standard,and additional means for locking the upper clamping plate againstmovement.

6. In a box clamping machine, a lower relatively fixed clamping jaw, anupper vertically swinging clamping jaw, a relatively fixed member, avertically swinging lever fulcrumed to said member and disposed toupright position upon disposition of the upper jaw to horizontalposition, and latch means on said lever for locking said upper jawagainst raising.

7. In a box clamping machine, a lower relatively fixed clamping jaw, anupper vertically swinging clamping jaw, a relatively fixed member, avertically swinging lever section fulcrumed to said member and disposedto vertical position upon disposition of the upper jaw to horizontalposition, an additional lever section having a sliding engagement withthe aforesaid section, and latch means on said additional section forlocking said upper jaw against raising.

8. In a box clamping machine, a lower relatively fixed clamping jaw, anupper vertically swinging clamping jaw, a crank arm on the latter, ahorizontal rock shaft below the two jaws having at one end a crank arm,a lever secured to the other end of said shaft, link means connectingthe crank arm on the upper clamping jaw with the crank arm on the lever,whereby to dispose the latter to upright position upon disposition ofsaid jaw to horizontal position, and latch means on said lever forholding said upper jaw against raising.

9. In a box clamping machine, an upright wall member having on its upperedge a plurality of projections, a horizontal vertically swinging upperclamping plate hinged at one edge to said upper edge of the wallmemberand having notches receiving the projections therein, a lower clampingplate below the upper plate, and means to-lock said upper plate againstraising.

10. In a box clamping machine, an upright shaft, an upright tubularstandard revolubly mounted thereon, an upper and a lower head carriedrespectively by the upper and lower ends of said standard and eachincluding a horizontal bar, a plurality of upright rods secured at theirupper and lower ends to the upper and lower horizontal bars and disposedin an upright plane to engage a box when clamped in the machine, ahorizontal upper clamping plate pivoted to the upper horizontal bar, aslide shiftable vertically on the tubular standard member, a lowerhorizontal clamping plate carried by the slide, means to lock said slideagainst movement on the standard, and additional,

means for locking the upper clamping plate against movement.

11. In a box clamping machine, an upright support, a frame memberprojecting laterally from the lower end thereof, a head member at theupper end of said support, a vertically swinging upper clamping jawcarried by the head, a crank arm on said jaw, a lower clamping platebeneath the position, and latch means on the lever for 10 A upper jaw, ahorizontal rock shaft mounted locking said upper jaw against raising.

in the frame member and having at one end In testimony whereof-I havehereunto set a crank, a lever secured to the other end of my hand inpresence of two subscribing said shaft, link means connecting the crankwitnesses.

arm on the upper clamping jaw with the CHARLES T. DUNN. crank arm on therock shaft, whereby to Witnesses: dispose the lever to upright positionupon LEO V. FALLON, disposition of said upper jaw to a horizontal RALPHB. MCLAIN.

